JAN1N5290UR-1

Current Regulation - Diodes, Transistors Overview

The JAN1N5290UR-1 is a current regulator diode manufactured by Microchip Technology, designed for surface-mount applications. It utilizes the DO-213AB (MELF) glass package and operates within a military-grade qualification standard of MIL-PRF-19500/463. The device features a regulated current of 517 µA with a maximum voltage rating of 100 V and a power dissipation capacity of 500 mW. It supports an extended operating temperature range from -65 °C to +175 °C junction temperature, ensuring reliability in harsh environments.

Current Regulation - Diodes, Transistors Feature Summary

• Hermetically sealed glass MELF construction for environmental protection
• Military-grade compliance with MIL-PRF-19500/463 standards
• Wide thermal operating range suitable for extreme conditions

Current Regulation - Diodes, Transistors Applications

• Precision constant current sources in aerospace systems
• Biasing circuits for sensitive semiconductor devices
• Current limiting protection in military-grade electronic assemblies

Current Regulation - Diodes, Transistors Procurement Notes

Verify that the specific suffix UR-1 corresponds to the reel or bulk packaging configuration required for your assembly line, as packaging variations exist within this family. Confirm that the lead time aligns with production schedules due to potential long manufacturing cycles associated with military-grade components. Ensure all handling procedures comply with the hermetic seal integrity requirements specified in the datasheet.

Current Regulation - Diodes, Transistors Selection Notes

Select this component when a stable 517 µA current regulation is required in a compact surface-mount form factor. The DO-213AB package offers a footprint advantage over axial leads while maintaining high thermal tolerance. Consider the 100 V breakdown limit and 500 mW power dissipation when designing the bias network to ensure operation remains within safe limits under all expected load conditions.

Current Regulation - Diodes, Transistors Part Context

This part belongs to the 1N52xx series of current regulator diodes produced by Microchip. These devices are engineered for high-reliability applications where stable current flow is critical regardless of voltage fluctuations. The JAN prefix indicates a specific military screening level, distinguishing it from commercial variants.

Current Regulation - Diodes, Transistors Replacement Considerations

Direct substitutes include JANTX1N5290UR-1 and JANS1N5290UR-1, which share identical electrical characteristics but may differ in screening levels or packaging formats. Verify pinout compatibility and thermal resistance specifications before substituting to ensure circuit performance remains unaffected.